CN103742327A - Internal combustion engine startup disk - Google Patents
Internal combustion engine startup disk Download PDFInfo
- Publication number
- CN103742327A CN103742327A CN201410036477.5A CN201410036477A CN103742327A CN 103742327 A CN103742327 A CN 103742327A CN 201410036477 A CN201410036477 A CN 201410036477A CN 103742327 A CN103742327 A CN 103742327A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- combustion engine
- internal combustion
- rope sheave
- breast wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N3/00—Other muscle-operated starting apparatus
- F02N3/02—Other muscle-operated starting apparatus having pull-cords
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/026—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the centrifugal type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/027—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the pawl type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N5/00—Starting apparatus having mechanical power storage
- F02N5/02—Starting apparatus having mechanical power storage of spring type
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pulleys (AREA)
Abstract
The invention discloses an internal combustion engine startup disk comprising a base plate, a sheave, a middle wheel, and a startup wheel. The middle wheel is arranged above the sheave; the startup wheel is arranged above the middle wheel. A middle shaft is disposed on the base plate. The middle shaft is sequentially sleeved with the sheave, the middle wheel and the startup wheel sleeve. A return coil spring is disposed at the bottom of the sheave. A one-way drive structure is arranged between the sheave and the middle wheel. A one-way structure is arranged between the middle wheel and the middle shaft. A buffer structure is disposed between the middle wheel and the startup wheel. The internal combustion engine startup disk has the advantages that the startup disk can be effectively buffered during starting and damage of the startup disk by impact is prevented; meanwhile, the one-way structure can prevent additional impact of opposite force of an internal combustion engine when the return coil spring pulls the sheave to return; the internal combustion engine startup disk is simple in structure, simple to produce and assemble and capable of operating stably.
Description
Technical field
The present invention relates to a kind of Structure of Internal-Combustion Engine, relate in particular to a kind of internal combustion engine start dish.
Background technique
Compact internal combustion engine is due to its powerful, compact structure, the advantage such as lightweight, easy to carry and be widely used as power source.Compact internal combustion engine adopts the simple in structure Self-resetting that pulls to start system mostly.Internal combustion engine starter, when starting, by manually drawing, turn rope sheave and drive boot disk to rotate, the end face of boot disk withstands on the transmission end face of internal-combustion engine, owing to needing moment huge explosive force to pull rope sheave, therefore boot disk can moment quick rotation, this damages because of moment Fast Collision internal-combustion engine transmission end face with regard to the end face that easily makes boot disk.
And, existing internal combustion engine start structure, its unidirectional drive structure is comparatively complicated, limited post and rotary column must be set and could realize the function of unidirectional drive structure, and at rope sheave upper surface, protruding limited post and rotary column are set, increased undoubtedly the complexity of production technology, this limited post and rotary column are in operation and are very easy to damage simultaneously, thereby rope sheave is scrapped; Ratchet is often derailing in oscillating motion, starter need to be taken apart and reinstall and could use.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of internal combustion engine start dish, the technical problem to be solved in the present invention is: provide a kind of and can cushion when boot disk moment startup, and unidirectional drive structure is comparatively simple, stability is high, is difficult for the internal combustion engine start dish of damaging.
For realizing above-mentioned technical purpose, technological scheme of the present invention is: a kind of internal combustion engine start dish, comprises chassis, rope sheave, is positioned at the breast wheel of rope sheave top and the starter cup that is positioned at breast wheel top; Described chassis is provided with jack shaft, described rope sheave, breast wheel, starter cup are socketed on jack shaft successively, described rope sheave bottom is provided with reset wind spring, between described rope sheave and breast wheel, be provided with unidirectional drive structure, between described breast wheel and jack shaft, be provided with check configuration, between described breast wheel and starter cup, be provided with buffer structure.
In such scheme, described check configuration is the first unilateral bearing.
In such scheme, described buffer structure is helical torsional spring, and this helical torsional spring vertically arranges, and its top axial protrudes upward and inserts in the hole on starter cup, and its lower end is axially stretched out downwards and inserted in the hole on breast wheel.
In such scheme, described individual event driving structure comprises that coaxial cooperation is fixed on the tubular structure to downward-extension that the second unilateral bearing on rope sheave and described breast wheel lower end surface arrange, and described the second unilateral bearing is socketed described tubular structure.
In such scheme, described unidirectional drive structure comprises the ratchet fitting seat that is positioned at rope sheave upper-end surface and is fixedly installed with rope sheave coaxial cooperation, and on described ratchet fitting seat, edge is circumferentially provided with at least one ratchet; And described breast wheel lower end surface is provided with recessed structures, the inner peripheral surface of this recessed structures is provided with along circumferential uniform some ratchets; Described ratchet is connected on ratchet its free end by the effect of torsion spring.
In such scheme, be provided with for the mounting groove of ratchet is installed on described ratchet fitting seat, this mounting groove inside is arc-shaped structure, in the end that is positioned at this mounting groove outside, is provided with prevent surface; Described ratchet is provided with the circular arc end of matching with this mounting groove.
In such scheme, described ratchet is two, is symmetricly set on the week of ratchet fitting seat upwards.
In such scheme, described ratchet is two, is symmetricly set in the mounting groove on ratchet fitting seat.
Internal combustion engine start dish of the present invention can effectively cushion boot disk when starting, and prevents that the quick shock of boot disk from damaging; Meanwhile, check configuration can be avoided the additional impact of internal-combustion engine opposite force effect when reset wind spring pulls rope sheave to reset.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention
Fig. 2 is the explosive view of overlooking of the embodiment of the present invention 1
Fig. 3 is the explosive view of looking up of the embodiment of the present invention 1
Fig. 4 is the perspective view of the rope sheave upper-end surface of the embodiment of the present invention 1
Fig. 5 is the plan structure schematic diagram of the rope sheave upper-end surface of the embodiment of the present invention 1
Fig. 6 is the perspective view of the breast wheel lower end surface of the embodiment of the present invention 1
Fig. 7 be the embodiment of the present invention 1 breast wheel lower end surface look up structural representation
Fig. 8 is the explosive view of looking up of the embodiment of the present invention 2
Fig. 9 is the embodiment of the present invention 2 rope sheaves and breast wheel decomposition texture schematic diagram
Figure 10 is the sectional structure schematic diagram of the embodiment of the present invention 2
In figure: 1, the circular arc end 73 of rope sheave 11, reset wind spring 2, breast wheel 3, starter cup 30, helical torsional spring mounting hole 4, jack shaft 5, the first unilateral bearing 6, helical torsional spring 71, ratchet fitting seat 711, ratchet mounting groove 712, prevent surface 72, ratchet 721, ratchet, recessed structures 74, ratchet 75, torsion spring 8, the second unilateral bearing 81, tubular structure 9, chassis
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples are only for technological scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, the present invention is a kind of internal combustion engine start dish, the starter cup 3 that comprises chassis 9, rope sheave 1, is positioned at the breast wheel 2 of rope sheave 1 top and is positioned at breast wheel 2 tops; On chassis 9, be provided with jack shaft 4, rope sheave 1, breast wheel 2, starter cup 3 are socketed on jack shaft 4 successively, in the bottom of rope sheave 1, be provided with reset wind spring 11(and see Fig. 2), this reset wind spring 11 is put aside potential energy when pulling rope sheave to be rotated in the forward, and the potential energy of putting aside is for the rope sheave 1 rotation meeting original state that resets; Between rope sheave 1 and breast wheel 2, be provided with unidirectional drive structure, between breast wheel 2 and jack shaft 4, be provided with check configuration, described check configuration is illustrated in figure 2 the first unilateral bearing 5; Between breast wheel 2 and starter cup 3, be provided with buffer structure, described buffer structure as shown in Figure 2, for helical torsional spring 6, this helical torsional spring 6 vertically arranges, its top axial protrudes upward and inserts in the hole 30 in boot disk 3, and its lower end is axially stretched out downwards and inserted in the hole (not shown) on breast wheel 2.
Embodiment 1:
As shown in Fig. 2 to 7, the unidirectional drive structure between rope sheave 1 and breast wheel 2 comprises the ratchet fitting seat 71 that is positioned at rope sheave 1 upper-end surface and is fixedly installed with rope sheave 1 coaxial line, and on this ratchet fitting seat 71, edge is circumferentially provided with at least one ratchet 72; With in described breast wheel 2 lower end surfaces, be provided with recessed structures 73, the inner peripheral surface of this recessed structures 73 is provided with along circumferential uniform some ratchets 74; Described ratchet 72 is connected on ratchet 74 its free end by the effect of torsion spring 75.
On ratchet fitting seat 71, be provided with for the mounting groove 711 of ratchet 72 is installed, these mounting groove 711 inside are arc-shaped structure, in the end that is positioned at these mounting groove 711 outsides, are provided with prevent surface 712; Described ratchet 72 is provided with the circular arc end 721 of matching with this mounting groove 711.
Described ratchet 72 is two, is symmetricly set on the week of ratchet fitting seat 71 upwards.
Due to ratchet fitting seat 71 can with the one-body molded manufacture of rope sheave 1, and on ratchet fitting seat 71, directly offer mounting groove 711, and be provided with prevent surface 712 in the end in mounting groove 711 outsides, produce or assemble all very convenient, and simple in structure, ratchet 72 is done the oscillating motion of stretching out, packing up under the effect of torsion spring 75 and ratchet 74, stable, derailment occurring can not occur.
During use, pull rope sheave 1 forward rotation, the reset wind spring 11 of rope sheave 1 bottom is stretched simultaneously, savings elastic potential energy, now ratchet 72 is in stretching out state, and ratchet 72 embeds in the ratchet 74 of breast wheel 2, drive breast wheel 2 and rope sheave 1 rotating in same direction, the rotation of breast wheel 2 is delivered to starter cup 3 by helical torsional spring 6, makes starter cup 3 also make rotating in same direction, thus starting apparatus combustion engine; Because starting apparatus combustion engine needs huge explosive force of moment, during the transmission end contact of the end face of boot disk 3 and internal-combustion engine, speed and impact force are very huge, owing to being provided with helical torsional spring 6, can, for boot disk 3 provides revolution buffering, make it be unlikely to occur rigid shock and damage; Helical torsional spring 6 also will turn round going down to breast wheel 2, but owing to being provided with the first unilateral bearing 5 between breast wheel 2 and jack shaft 4, this first unilateral bearing 5 can only allow breast wheel 2 one-way rotation, so breast wheel 2 reversed turning not, has therefore just blocked buffering revolution and has transmitted to rope sheave 1; When engine starts completes, the stay cord in rope sheave 1 needs return, and the reset wind spring 11 that rope sheave 1 bottom arranges shrinks and restores, drive rope sheave 1 reversion, stay cord return, ratchet 72 is in contraction state, from the ratchet 74 of breast wheel 2, exit, thereby do not drive breast wheel 2 reversions.
Embodiment 2:
As shown in Fig. 8～10, unidirectional drive structure between rope sheave 1 and breast wheel 2 can also be another kind of structure, comprise the second unilateral bearing 8 being fixed on rope sheave 1 and the tubular structure 81 to downward-extension arranging in described breast wheel 2 lower end surfaces, this second unilateral bearing 8 is socketed in outside described tubular structure 81.
During use, pull rope sheave 1 forward rotation, due to the effect of the second unilateral bearing 8, make interlock mutually between tubular structure 81 and the second unilateral bearing 8, thereby drive breast wheel 2 to rotate; When stopping drag rope sheave 1, reset wind spring 11 drives rope sheave 1 to rotate backward, and the second unilateral bearing 8 rotates backward simultaneously, and now the second unilateral bearing 8 is removed interlock with tubular structure 81, does not therefore drive breast wheel 2 to rotate backward; And simultaneously due to the effect of the first unilateral bearing 5, breast wheel 2 also cannot be rotated backward, and the relative rotation of generation between the second unilateral bearing 8 and tubular structure 81, thus realize the unidirectional drive of 1 pair of breast wheel 2 of rope sheave.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an internal combustion engine start dish, is characterized in that: comprise chassis, rope sheave, be positioned at the breast wheel of rope sheave top and the starter cup that is positioned at breast wheel top; Described chassis is provided with jack shaft, described rope sheave, breast wheel, starter cup are socketed on jack shaft successively, described rope sheave bottom is provided with reset wind spring, between described rope sheave and breast wheel, be provided with unidirectional drive structure, between described breast wheel and jack shaft, be provided with check configuration, between described breast wheel and starter cup, be provided with buffer structure.
2. internal combustion engine start dish as claimed in claim 1, is characterized in that: described check configuration is the first unilateral bearing.
3. internal combustion engine start dish as claimed in claim 1, it is characterized in that: described buffer structure is helical torsional spring, this helical torsional spring vertically arranges, and its top axial protrudes upward and inserts in the hole on starter cup, and its lower end is axially stretched out downwards and inserted in the hole on breast wheel.
4. the internal combustion engine start dish as described in as arbitrary in claim 1-3, it is characterized in that: described individual event driving structure comprises that coaxial cooperation is fixed on the tubular structure to downward-extension that the second unilateral bearing on rope sheave and described breast wheel lower end surface arrange, and described the second unilateral bearing is socketed described tubular structure.
5. the internal combustion engine start dish as described in as arbitrary in claim 1-3, it is characterized in that: described unidirectional drive structure comprises the ratchet fitting seat that is positioned at rope sheave upper-end surface and is fixedly installed with rope sheave coaxial cooperation, on described ratchet fitting seat, edge is circumferentially provided with at least one ratchet; In described breast wheel lower end surface, be provided with recessed structures, the inner peripheral surface of this recessed structures is provided with along circumferential uniform some ratchets; Described ratchet is connected on ratchet its free end by the effect of torsion spring.
6. internal combustion engine start dish as claimed in claim 5, is characterized in that: on described ratchet fitting seat, be provided with for the mounting groove of ratchet is installed, this mounting groove inside is arc-shaped structure, in the end that is positioned at this mounting groove outside, is provided with prevent surface; Described ratchet is provided with the circular arc end of matching with this mounting groove.
7. internal combustion engine start dish as claimed in claim 5, is characterized in that: described ratchet is two, is symmetricly set on the week of ratchet fitting seat upwards.
8. internal combustion engine start dish as claimed in claim 6, is characterized in that: described ratchet is two, is symmetricly set in the mounting groove on ratchet fitting seat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036477.5A CN103742327B (en) | 2014-01-24 | 2014-01-24 | A kind of internal combustion engine startup disk |
| PCT/CN2014/072354 WO2015109627A1 (en) | 2014-01-24 | 2014-02-21 | Starting device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036477.5A CN103742327B (en) | 2014-01-24 | 2014-01-24 | A kind of internal combustion engine startup disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103742327A true CN103742327A (en) | 2014-04-23 |
| CN103742327B CN103742327B (en) | 2016-08-17 |
Family
ID=50499380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410036477.5A Expired - Fee Related CN103742327B (en) | 2014-01-24 | 2014-01-24 | A kind of internal combustion engine startup disk |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103742327B (en) |
| WO (1) | WO2015109627A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083793A (en) * | 2018-08-15 | 2018-12-25 | 全椒县全动机械有限公司 | A kind of internal combustion engine startup disk |
| CN110529319A (en) * | 2019-10-12 | 2019-12-03 | 浙江天泰机械有限公司 | Starter and grass trimmer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285463A (en) * | 1999-08-06 | 2001-02-28 | 本田技研工业株式会社 | Starter for engine |
| JP2005337224A (en) * | 2004-04-28 | 2005-12-08 | Komatsu Zenoah Co | Engine starter |
| CN101245754A (en) * | 2007-02-16 | 2008-08-20 | 安德烈亚斯.斯蒂尔两合公司 | Starter device |
| CN201184263Y (en) * | 2008-04-17 | 2009-01-21 | 徐春初 | Return type starter with damping device |
| CN201215058Y (en) * | 2008-06-20 | 2009-04-01 | 吴明根 | Easily actuating device for small-sized petrol engine |
| CN101598099A (en) * | 2008-06-04 | 2009-12-09 | 本田技研工业株式会社 | The power-storage-type starting system of motor |
| CN103133208A (en) * | 2013-02-17 | 2013-06-05 | 浙江格林雅动力科技有限公司 | Easy start structure of handheld garden engine |
| CN203783789U (en) * | 2014-01-24 | 2014-08-20 | 台州市伊牧精密机械有限公司 | Startup disc of internal combustion engine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07174061A (en) * | 1993-05-07 | 1995-07-11 | Nitsukari:Kk | Force storage type recoil starter |
| US7343891B1 (en) * | 2006-08-25 | 2008-03-18 | Golden Lion Enterprise Co., Ltd. | Starting device for a model engine |
| CN201016322Y (en) * | 2007-02-07 | 2008-02-06 | 江苏苏美达五金工具有限公司 | Easy starting mechanism for universal petrol engines |
| CN101307742A (en) * | 2008-06-30 | 2008-11-19 | 王云法 | Gasoline engine initiator |
| CN201412254Y (en) * | 2009-06-08 | 2010-02-24 | 中国嘉陵工业股份有限公司（集团） | Hand starting device |
-
2014
- 2014-01-24 CN CN201410036477.5A patent/CN103742327B/en not_active Expired - Fee Related
- 2014-02-21 WO PCT/CN2014/072354 patent/WO2015109627A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285463A (en) * | 1999-08-06 | 2001-02-28 | 本田技研工业株式会社 | Starter for engine |
| JP2005337224A (en) * | 2004-04-28 | 2005-12-08 | Komatsu Zenoah Co | Engine starter |
| CN101245754A (en) * | 2007-02-16 | 2008-08-20 | 安德烈亚斯.斯蒂尔两合公司 | Starter device |
| CN201184263Y (en) * | 2008-04-17 | 2009-01-21 | 徐春初 | Return type starter with damping device |
| CN101598099A (en) * | 2008-06-04 | 2009-12-09 | 本田技研工业株式会社 | The power-storage-type starting system of motor |
| CN201215058Y (en) * | 2008-06-20 | 2009-04-01 | 吴明根 | Easily actuating device for small-sized petrol engine |
| CN103133208A (en) * | 2013-02-17 | 2013-06-05 | 浙江格林雅动力科技有限公司 | Easy start structure of handheld garden engine |
| CN203783789U (en) * | 2014-01-24 | 2014-08-20 | 台州市伊牧精密机械有限公司 | Startup disc of internal combustion engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083793A (en) * | 2018-08-15 | 2018-12-25 | 全椒县全动机械有限公司 | A kind of internal combustion engine startup disk |
| CN109083793B (en) * | 2018-08-15 | 2020-09-29 | 全椒县全动机械有限公司 | Starting disc of internal combustion engine |
| CN110529319A (en) * | 2019-10-12 | 2019-12-03 | 浙江天泰机械有限公司 | Starter and grass trimmer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015109627A1 (en) | 2015-07-30 |
| CN103742327B (en) | 2016-08-17 |
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